DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   lock up
       v 1: secure by locking; "lock up the house before you go on
            vacation"
       2: place in a place where something cannot be removed or someone
          cannot escape; "The parents locked her daughter up for the
          weekend"; "She locked her jewels in the safe" [syn: lock
    in, lock away, lock, put away, shut up, shut away,
          lock up]